Accrued Liabilities (Tables)

9 Months Ended

Mar. 31, 2016

Accrued Liabilities, Current [Abstract]

Schedule of accrued liabilities

Accrued liabilities consisted of the following as of March 31, 2016 and June 30, 2015:

($ in millions)	March 31, 2016		June 30, 2015
Derivative financial instruments	$	43.2	$	32.7
Accrued compensation and benefits	34.8		44.3
Accrued postretirement benefits	14.0		14.0
Accrued interest expense	5.6		11.2
Accrued pension liabilities	3.4		3.3
Accrued income taxes	1.3		8.7
Other	34.9		38.4
Total accrued liabilities	$	137.2	$	152.6